Fuel filter



FIG. 1 is a front perspective view of a fuel filter showing my new design;

FIG. 2 is a perspective view of FIG. 1 shown slightly rotated;

FIG. 3 is a front elevational view; and,

FIG. 4 is a bottom plan view, the opposite side being identical. 

The ornamental design for a fuel filter, as shown and described. 